1、课时作业(十二)Unit 4Section Learning language & using language.阅读理解AThere are about 6, 500 languages spoken throughout the world, but about half of them are in danger of disappearing.One of the primary causes driving language loss is that support for language communities drastically varies. While some lan
2、guages are recognized by governments and taught in schools, the majority go unrecognized, unsupported, and untaught, leaving communities illequipped to pass their languages on to future generations. Tsakonian, a “dialect(方言)” in Greece, has declined to the point that only 100 speakers remain.When a
3、language disappears, many other things can go away as well. For example, parts of a communitys culture, knowledge and identity can also be lost.One organization seeking to save world languages is Wikitongues, which was founded as a school project by Daniel Bogre Udell in 2012, when he began recordin
4、g short oral histories in New York to explore the citys rich cultural diversity with the simple idea：tell me about yourself or your home in your native language. When he posted the videos online, the channel quickly got wide attention.There are currently over 400 languages and dialects represented o
5、n Wikitongues channel and more than 1,500 people from 70 different countries have added videos to it. But thats far from enough. The organization seeks to serve as an Internet resource to keep as many languages as possible alive. Udell believes they can make it happen.“There are many examples of lan
6、guages that disappeared but later returned to use. Hebrew went extinct in the 4th century BC, but was revived (恢复) in the 1800s. Now once again, its the mother tongue of half of the worlds Jewish population，” said Udell.1What can be inferred about Tsakonian in Greece?AIts hard to speak and understan
7、d.BIt will definitely die out in the future.CIts not allowed to speak in Greece.DIt lacks recognition and support.2What effect may be brought by the extinction of languages?AHarming future generations.BReducing cultural diversity.CPreventing daily communication.DChanging school projects.3Whats the p
8、urpose of Wikitongues?ATo support people in saving their languages.BTo revive languages that have disappeared.CTo record enough short oral histories.DTo explore the worlds rich cultures.4What does Udell want to tell us by giving Hebrew as an example in the last paragraph?AAll extinct languages will
9、be brought back to life.BIts possible to prevent languages from dying out.CMore languages will be presented on Wikitongues channel.DHebrew has become one of the most popular languages in the world.BFor the first time ever scientists prepare to set about a 3yearlong project, the Nekton Mission, to ex
10、plore the Indian Ocean and document changes taking place beneath the waves that could affect the surrounding region over the coming decades.The ambitious exploration team will reach one of the last major unexplored frontiers on the planet, a vast body of water thats already feeling the effects of gl
11、obal warming with rising water temperatures damaging its coral reefs(珊瑚礁). Understanding the Indian Oceans ecosystem is important not just for the species that live in it, but also for the 2. 5 billion people living in the region.The Nekton Mission is supported by more than 40 organizations. Researc
12、hers will spend seven weeks surveying underwater life, map the sea floor, and drop sensors(传感器) to depths of up to 6, 560 feet in the seas around the Seychelles.The Seychelles aims to become a leader in the development of a “blue economy” that draws on the resources of the ocean. It relies on fishin
13、g and tourism, but has lately also been exploiting oil and gas from beneath the sea floor. “Our ocean is undergoing rapid ecological transformation by human activities. The Nekton Mission is vital to help us better know our ocean space and resources to make wise decisions. Only when we know what we
14、have in the ocean and what is its value can we properly decide what to exploit and what to leave untouched，” said Jumeau, the Seychelles ambassador to the UN.The mission will conduct further dives in other parts of the Indian Ocean over three years. The researchers expect to discover new species and
15、 send videos to the world by satellite. The research will provide information for a summit (峰会) about the Indian Ocean planned for late 2021.5Why do the scientists plan to explore the Indian Ocean?ATo save the endangered creatures living in the sea.BTo discover the damage mankind has done to the oce
16、an.CTo make the best use of the natural resources in the sea.DTo protect its species and people living around the region.6Which is not included in the tasks to be carried out around the Seychelles?ADrawing maps of the sea floor.BFinding treasures under the sea.CPutting sensors into the deep sea.DStu
17、dying underwater life.7What can be learned about the Nekton Mission?AIt will extend beyond the Indian Ocean.BIt will benefit a lot from“ blue economy”CIt will contribute to the 2021 conference.DIt will find solutions to global warming.8What can be a suitable title for the text?AScientists Are to Exp
18、lore the Indian OceanBThe Seychelles Aims to Build a “Blue Economy”CEffects of Global Warming on Marine EcosystemDIndian Ocean：the Last Unexplored Frontier on the Planet.语法填空Tim Cook, the CEO of Apple, showed off their 1._ (late) product, the Apple Watch. “It will change what people expect from a wa
19、tch，” Cook said, “and the watch will be one of the best 2._ (product)Apple has ever created.”The Apple watches 3. _ (sell) at different prices, fron $349 to $15,000.An Apple Watch will be able to do the same things 4._ an iPhone. You can read emails, texts, news, health data and other information on
20、 a small screen. Besides, you will be able 5._(answer) telephone calls on your wrist. By 6._ (turn) the crown on an Apple Watch, you can zoom in and out, to look at a map. You can also capture and send your heartbeat to another person with an Apple Watch. However, 7._ (it) 34hour battery is a big pr
21、oblem. You need to charge (充电) your watch every night, 8._ will be very inconvenient.Apple fans look forward to 9._ (get) an Apple Watch, but it remains to be seen 10. _ other customers can accept it.短文改错It was a sunny day today but I went to Xishan Park for a spring outing. The moment when I entere
22、d the park，a variety of beautiful flowers and green trees came into sight. Attracting by the beauty, I couldnt help taking photos. As I wandered along the path, enjoying the beautiful view, I noticed anything unpleasant. Two schoolgirls jumped over the fence to pick flowers. Obviously they didnt rea
23、lize that their behavior has done great damage to beauty of the park. Without hesitation, I went up and stopped her politely. Feeling quite embarrassed, the two girls came out immediate. Then they took pictures inside the fence. Seeing that, I smiled and everything looked nicer in my eye.课时作业(十二).阅读
24、理解A【语篇解读】本文是一篇说明文。当前世界上的现存语言看似很多，但是有大约一半的语言都面临消失的危险。文章介绍了语言危机产生的原因以及人们为了挽救语言而付出的努力。1答案与解析：D推理判断题。根据第二段第一句话中的“One of the primary causes”和“support for language communities”和第二句话中的“the majority go unrecognized，unsupported，and untaught”可知，缺乏语言社群、没有得到足够的认可，支持和教授都是语言消失的原因，而本段中用Tsakonian作例子，就是为了说明语言濒临灭绝是因为
25、缺乏认可和支持，与D项中的recognition和support吻合。故选D项。2答案与解析：B细节理解题。根据第三段第二句话中的“parts of a communitys culture，knowledge and identity can also be lost”可知，语言的消失会导致相应的社群文化、知识和文化特征也消失，也就是削弱了文化差异，这与B项表述吻合。3答案与解析：A推理判断题。根据第五段第三句话中的“seeks to serve as an Internet resource to keep as many languages as possible alive”可知，这个
26、组织借助网络资源让尽可能多的语言存活下来，与A项的表述吻合。4答案与解析：B推理判断题。根据第五段第三句话中的“keep as many languages as possible alive”可知，Wikitongue的目的是为了让更多的语言存活维持并发展下去，而且在本段举了希伯来语这个例子，该语言是“死而复生”的代表，作者之所以提到这个例子是想要证明防止语言消失是有可能的，与B项表述吻合。B【语篇解读】本文是说明文，介绍了科学家们发起的到印度洋的某一特定领域进行探索的原因和方式，以及以期达到的结果。5答案与解析：D推理判断题。根据第二段第二句话中的“important not just f
27、or the species that live in it，but also for the 2.5 billion people living in the region”可知，这项活动不仅仅是为了挽救该海域的海洋生物，也是为了让住在这个区域的人得到生活保障，与D项中的表述吻合6答案与解析：B细节理解题。根据第三段第二句话中的“surveying underwater life, map the sea floor, and drop sensors(传感器)to depths of up to 6,560 feet in the seas around the Seychelles”可知
28、，研究人员会做的活动有“调查研究水生生物，绘制海床地图和安装传感器”，与A项、C项和D项的表述吻合，并未提及B项的“寻找海底宝藏”。7答案与解析：C推理判断题。根据文章最后一段最后一句话中的“provide information for a summit(峰会)about the Indian Ocean planned for late 2021”可知，这次研究会为2021年召开的关于印度洋的峰会提供一些相关信息，与C项的表述吻合。8答案与解析：A标题判断题。文章第一段引出科学家们准备开启的一项活动，明确目的是探索印度洋和记录海平面下的变化，在接下来的段落中解释了这样做的原因和目的，A项中
29、的Scientists，Explore和the Indian Ocean是关键词，概括了文章的大意，适合当作本文标题。.语法填空1latest2.products3.will be sold4.as5.to answer6.turning7its8.which9.getting10.whether/if.短文改错答案：It was a sunny day today I went to Xishan Park for a spring outing. The moment I entered the park，a variety of beautiful flowers and green t
30、rees came into sight. by the beauty, I couldnt help taking photos. As I wandered along the path, enjoying the beautiful view, I noticed unpleasant. Two schoolgirls jumped over the fence to pick flowers. Obviously they didnt realize that their behavior done great damage tobeauty of the park. Without hesitation, I went up and stopped politely. Feeling quite embarrassed, the two girls came out . Then they took pictures the fence. Seeing that, I smiled and everything looked nicer in my .
